| 1 | GBM | GBM Aereo, S.A. de C.V. | Callsign: Aereo Gee-Bee-Emm, | MEX | AVCODES |
| 2 | GBM | GBM Gleisbaumechanik Brandenburg /H. GmbH | | D | TRAFFIC |
| 3 | GBM | GBM Wiebe Gleisbaumaschiennen GmbH | | DE | VKM |
| 4 | GBMA | G BROS MARITIME S A | | | SCAC4 |
| 5 | GBMF | GOLDEN BEAR MOVING AND STORAGE INCO | | | SCAC4 |
| 6 | GBMG | GONZALES DEL BOSQUE, MARIA | | | SCAC4 |
| 7 | GBMH | GRAEBEL BIRMINGHAM MOVERS INC | | | SCAC4 |
| 8 | GBMI | GLOBAL MARINE SYSTEMS LTD | | | SCAC4 |
| 9 | GBMK | GOLDEN BEAR MARKETING | | | SCAC4 |
| 10 | GBMO | GABINETES MEXICANOS | | | SCAC4 |
| 11 | GBMP | GAF BUILDING MATERIALS CORP | | | SCAC4 |
| 12 | GBMR | GUTIERREZ BARRERA, MARIA JUANITA | | | SCAC4 |
| 13 | GBMS | G B MANAGEMENT SYSTEMS INC | | | SCAC4 |
| 14 | GBMT | GLOBAL MATERIAL TECHNOLOGIES INC | | | SCAC4 |
| 15 | GBMU | BOURGEY MONTREUIL S.A | | F | BIC |
| 16 | GBMU | BOURGEY MONTREUIL SA | | | SCAC4 |
| 17 | GBMX | Grain Belt Mills Co. | 8/1920-7/1923 | | NAKINA |
| 18 | GBMX | GRAIN BELT MILLS CO. | | | PWRC |
